Heat Transfer Exam Review

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Tags

NGSS.MS-PS1-4

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How will the energy flow?

• Hand to ice

• Ice to hand

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Does all of the heat energy from this persons hand go into the ice?

• yes - all of our heat goes directly to the ice

• no - some gets lost to the surrounding air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Conduction is energy transfer through

• density differences

• empty space

• direct contact

What is the definition of CONVECTION

• When heat transfers through waves.

• When heat transfers from objects that are touching.

• When heat transfers due to density differences.

• Heat traveling from the sun

Tags

NGSS.HS-ESS2-3

Transfer of thermal energy through "circulation" of liquids and gases

• conduction

• convection

• radiation

Near the ceiling of a room the air is warmer. The warm air rises because

• it is more dense

• it is less dense

• warm molecules huddle for warmth

Tags

NGSS.MS-PS1-4

Warm air rises and cool air 

• circular
• sinks
• warmer